ISO Lead Auditor / ISO Consultant - California

Freelance ISO Lead Auditor / Consultant

California Hybrid (with occasional on-site client visits)

Contract / Self-Employed Basis

About IMSM

IMSM (International Management Systems Marketing) is a global force in ISO consultancy - helping organisations not just achieve certification, but transform the way they operate. We partner with businesses across every sector, elevating performance, boosting compliance and unlocking measurable competitive advantage.

Now part of the Axiom GRC division within the WorkNest group and backed by Inflexion, we bring the reach and resources of a worldwide organisation. With teams spanning the UK, Europe, North America, APAC, Africa and Canada - and a growing network of 85 employees and more than 350 expert contractors enables us to deliver high-quality, results-driven ISO consultancy to clients worldwide.

The Opportunity

We are looking for experienced ISO Lead Auditors and ISO Consultants to join our professional network on a self-employed basis.

This flexible role is ideal for contractors who want:

• A steady pipeline of client work

• Remote delivery with occasional on-site visits

• Assignments matched to their sector expertise

• The backing of a respected global ISO consultancy 

What You Will Do

• Conduct consultancy assignments in accordance with agreed contractual terms

• Prepare and deliver presentations and assessment reports that clearly communicate findings and decisions to clients

• Provide clear actionable recommendations for addressing any identified non-conformities or areas for improvement

• Ensure accurate and timely updates to client records and internal systems supporting data integrity and compliance

• Maintain and continually develop your technical knowledge and expertise in management systems and relevant standards

What You Will Bring

• IRCA Lead Auditor (or equivalent) certification is a must

• Experience with one or more ISO standards, such as:

  • ISO 9001, ISO 14001, ISO 45001, ISO 42001, ISO 27001 or other sector specific standards

• Proven background in implementing and/or auditing management system

• Strong communication and stakeholder engagement skills

• Strong organisational skills with the ability to multitask and prioritise effectively

• Adaptability and flexibility to respond to varying client needs

Why Partner with IMSM?

• Consistent flow of consultancy and audit assignments

• Opportunity to work across multiple sector and standards

• Structured support, resources and tools to help you deliver exceptional client outcomes

• A collaborative, inclusive culture built on professionalism, respect and continuous improvement 

Join Our Global Contractor Community

As part of the WorkNest group and the wider Axiom GRC division, you will contribute to a powerful network of more than 800 experts shaping the future of Governance, Risk and Compliance services.

If you are a dedicated ISO professional looking for flexible, rewarding work with a market leading consultancy, we would love to hear from you.